Question

Non

求解🙏🙏

15.
2
Many a teenager nowadays overweight or obese.
Obesity in adolescents is mainly caused by overeating,
physical inactivity, and stress.
(A) is
(B) are
(C) have been
(D) had been

Answer 1

✨ 最佳解答 ✨

Gene

這句話沒有強調一段時間，而且把完成式的意味帶入句中（許多青少年已經很胖）有點怪異，用b動詞表事實的意味更佳。

Non

謝謝，我懂了！